| Company | Timeline | Status | |
| Hivac Engineering Ltd Secretary • Engineer | 15 Jan 2008←10 Years→10 Sep 2018 | Active | |
| Thermic Edge Limited Secretary • Unreported | 1 Nov 2004←21 Years→Current | Active | |
| Thermic Edge Limited Director • Unreported | 28 Jul 2003←22 Years→Current | Active | |
